Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01-07-2024 14:47

General

  • Target

    Help/quickreference.htm

  • Size

    3KB

  • MD5

    4be3ccea32d7a7730e6ff9c30fc17957

  • SHA1

    a5507f7261fb3b8ac33583c7eb6f5c3630527c82

  • SHA256

    b8b60ea31f939c3d2e7dffd72e654f942fc3a5badd06c66720f7bf6632f1472e

  • SHA512

    a96c7fe40fc98037f60ba9f1f3182cb2a1a33ae5b8e81c62646ae93252451e910d7b6a090f15aa4b902b87aff2385f29e602058f2048b70cddce3fdf60f4c4b6

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\LaunchWinApp.exe
    "C:\Windows\system32\LaunchWinApp.exe" "C:\Users\Admin\AppData\Local\Temp\Help\quickreference.htm"
    1⤵
      PID:2636
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
      1⤵
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1140
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:3168
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Modifies registry class
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2084
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1064
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:2416
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Modifies registry class
      PID:1116

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VSH5XF98\edgecompatviewlist[1].xml
      Filesize

      74KB

      MD5

      d4fc49dc14f63895d997fa4940f24378

      SHA1

      3efb1437a7c5e46034147cbbc8db017c69d02c31

      SHA256

      853d2f4eb81c9fdcea2ee079f6faf98214b111b77cdf68709b38989d123890f1

      SHA512

      cc60d79b4afe5007634ac21dc4bc92081880be4c0d798a1735b63b27e936c02f399964f744dc73711987f01e8a1064b02a4867dd6cac27538e5fbe275cc61e0a

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\MicrosoftEdge\Cache\4QQNSJPZ\suggestions[1].en-US
      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • memory/1064-47-0x000001F3BA680000-0x000001F3BA780000-memory.dmp
      Filesize

      1024KB

    • memory/1140-0-0x000002321EE20000-0x000002321EE30000-memory.dmp
      Filesize

      64KB

    • memory/1140-35-0x000002321C2D0000-0x000002321C2D2000-memory.dmp
      Filesize

      8KB

    • memory/1140-16-0x000002321EF20000-0x000002321EF30000-memory.dmp
      Filesize

      64KB

    • memory/1140-85-0x0000023227350000-0x0000023227351000-memory.dmp
      Filesize

      4KB

    • memory/1140-86-0x0000023227360000-0x0000023227361000-memory.dmp
      Filesize

      4KB

    • memory/2416-50-0x0000018F1DB50000-0x0000018F1DC50000-memory.dmp
      Filesize

      1024KB

    • memory/2416-62-0x0000018F2E060000-0x0000018F2E062000-memory.dmp
      Filesize

      8KB

    • memory/2416-60-0x0000018F2E040000-0x0000018F2E042000-memory.dmp
      Filesize

      8KB

    • memory/2416-56-0x0000018F2E000000-0x0000018F2E002000-memory.dmp
      Filesize

      8KB

    • memory/2416-66-0x0000018F2E150000-0x0000018F2E152000-memory.dmp
      Filesize

      8KB

    • memory/2416-64-0x0000018F2E130000-0x0000018F2E132000-memory.dmp
      Filesize

      8KB

    • memory/2416-58-0x0000018F2E020000-0x0000018F2E022000-memory.dmp
      Filesize

      8KB

    • memory/2416-53-0x0000018F2DFD0000-0x0000018F2DFD2000-memory.dmp
      Filesize

      8KB